alexa Synthesis, Characterization And Electrical Properties Of Pd Doped TiO2 Nanoparticles With Enhanced Visible Light Phtocaralytic Activity
ISSN: 2157-7439

Journal of Nanomedicine & Nanotechnology
Open Access

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4th International Conference on Nanotek & Expo
December 01-03, 2014 DoubleTree by Hilton Hotel San Francisco Airport, USA

Omar A Al-Hartomy
Posters: J Nanomed Nanotechnol
DOI: 10.4172/2157-7439.S1.018
Abstract
Synthesis of pure and Pd doped TiO2 has been carried out using the easy hydrothermal method and characterized by standard analytical techniques, such as X- ray Diffraction analysis (XRD), Scanning Electron Microscopy (SEM), Transmission Electron Microscopy (TEM) and UV-Visible Spectroscopy. The XRD analysis shows no change in crystal structure of TiO2 after doping with different concentration of Pd indicating single phase polycrystalline material. The SEM images confirm that Pd is well incorporated on the surface of TiO2. The UV-Visible absorption analysis technique indicate that the doping of Pd into the TiO2 lattice shift the absorption band towards the visible region. The electrical properties of the synthesized particle have been performed by monitoring the dielectric constant (ε), dielectric loss (tan δ) and ac conductivity with respect to frequency. The dielectric constant and dielectric loss decreases with the increase in frequency up to certain limits, after then on a further increase in frequency, they became independent. The a.c. conductivity increases with the increase of frequency. The dielectric property also decreases with the increase of the dopant concentration.
Biography
Omar A Al-Hartomy is the Associate Professor in University of Tabuk. He is the Director of advanced solid state and Nanotechnololgy lab at the University of Tabuk. He did hid PhD Swansea University, Swansea, United Kingdom (UK). Presently, he is the Dean, Faculty of Science and University of Tabuk.
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